ruby--ruby/benchmark/io_nonblock_noex2.yml

benchmark:
  io_nonblock_noex2: |
    nr = 1_000_000
    i = 0
    msg = '.'
    buf = '.'
    begin
      r, w = IO.pipe
      while i < nr
        i += 1
        w.write_nonblock(msg, exception: false)
        r.read_nonblock(1, buf, exception: false)
      end
    rescue ArgumentError # old Rubies
      while i < nr
        i += 1
        w.write_nonblock(msg)
        r.read_nonblock(1, buf)
      end
    ensure
      r.close
      w.close
    end
loop_count: 1